/*
* __wt_strerror --
* WT_SESSION.strerror and wiredtiger_strerror.
*/
const char *
__wt_strerror(WT_SESSION_IMPL *session, int error, char *errbuf, size_t errlen)
{
const char *p;
/*
* Check for a WiredTiger or POSIX constant string, no buffer needed.
*/
if ((p = __wt_wiredtiger_error(error)) != NULL)
return (p);
/*
* When called from wiredtiger_strerror, write a passed-in buffer.
* When called from WT_SESSION.strerror, write the session's buffer.
*
* Fallback to a generic message.
*/
if (session == NULL &&
__wt_snprintf(errbuf, errlen, "error return: %d", error) == 0)
return (errbuf);
if (session != NULL && __wt_buf_fmt(
session, &session->err, "error return: %d", error) == 0)
return (session->err.data);
/* Defeated. */
return ("Unable to return error string");
}
/*
* __wt_strerror --
* Windows implementation of WT_SESSION.strerror and wiredtiger_strerror.
*/
const char *
__wt_strerror(WT_SESSION_IMPL *session, int error, char *errbuf, size_t errlen)
{
DWORD lasterror;
const char *p;
char buf[512];
/*
* Check for a WiredTiger or POSIX constant string, no buffer needed.
*/
if ((p = __wt_wiredtiger_error(error)) != NULL)
return (p);
/*
* When called from wiredtiger_strerror, write a passed-in buffer.
* When called from WT_SESSION.strerror, write the session's buffer.
*
* Check for Windows errors.
*/
if (error < 0) {
error = __wt_map_error_to_windows_error(error);
lasterror = FormatMessageA(
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
error,
0, /* let system choose the correct LANGID */
buf,
sizeof(buf),
NULL);
if (lasterror != 0 && session == NULL &&
snprintf(errbuf, errlen, "%s", buf) > 0)
return (errbuf);
if (lasterror != 0 && session != NULL &&
__wt_buf_fmt(session, &session->err, "%s", buf) == 0)
return (session->err.data);
}
/* Fallback to a generic message. */
if (session == NULL &&
snprintf(errbuf, errlen, "error return: %d", error) > 0)
return (errbuf);
if (session != NULL && __wt_buf_fmt(
session, &session->err, "error return: %d", error) == 0)
return (session->err.data);
/* Defeated. */
return ("Unable to return error string");
}
